diff --git a/Cargo.toml b/Cargo.toml
index c17264c..e5511fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -56,7 +56,7 @@ version = "0.21"
 
 [dependencies.webpki-roots]
 optional = true
-version = "0.21"
+version = "0.22"
 
 [dev-dependencies]
 criterion = "0.3.4"